All Will Fall

All Will Fall is a post-apocalyptic survival city builder set in a world overtaken by an endless ocean. You grow a small settlement into a sprawling vertical city, building in three dimensions with a physics-based system where every structure can collapse. To keep the colony alive, you manage resources, logistics, production, the needs of its people, random events and exploration.

Build a vertical city

Construction uses real-world physics: you need to account for weight distribution, tension and material strength, or structures can crumble and cause catastrophic damage. You can shape your city into anything from rusty favelas and dystopian military bases to concrete towers and tropical resorts, then customize it with painting and decoration tools. Research unlocks dozens of essential building types, including rain catchers, smelters, radio towers, lighthouses, dynamo “hamster wheels” for generating electricity and cannibal huts to address hunger.

Lead the colony

As the settlement grows, you establish resource harvesting, logistics and production chains, manage the economy and respond to societal requests. The three factions—Workers, Sailors and Engineers—have distinct traits, such as access to boats or cranes, and often conflicting needs for housing, water, food and leisure. You can lead as a kind shepherd or a strong-hand tyrant, as long as the city survives.

You send survivors to scavenge the ocean-covered world for resources and building space. Receding tides reveal new areas and resource nodes, which you can reach with machinery, ladders, explosives and other means. Random events bring difficult decisions, such as whether to shelter newcomers when your people are starving or feed the colony a large supply of meat of unknown origin.

Scenarios and campaign

The campaign consists of 8 handcrafted Scenarios, each with its own narrative, atmosphere, goals, challenges, map layout and gameplay conditions. Together, they offer up to 100+ hours of content, depending on playstyle. You might fortify an abandoned oil rig, build on a tanker and sail the ocean in search of land, or race to prepare the city for an incoming tornado. Each Scenario calls for adapting your layout, relocating resources and adjusting your strategy.

Custom Scenario mode lets you combine gameplay mechanics in new ways, such as adding roguelike progression to a tropical island run by Moon-worshipping cultists.

Sandbox and level editor

The sandbox toolkit lets you create custom Scenarios in an extensive level editor, adjusting map layouts, weather, available resources, city foundations and more. You can also change progression difficulty, society growth rate and the types of random events, shaping a demanding survival challenge or a relaxed, pressure-free building experience. The game supports sharing creations through Steam Workshop.